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View Full Version : modified MPX mags


izzy
02-28-2016, 20:31
At 5280 they have 30 round MPX magazines for sale that they will "permanently modify" before they sell them. I asked what the modification would consist of. A pin? A limiter block? They would tell me at all what they intended to do. They just kept repeating that they'd "permanently modify" them. Given these mags are polymer I was concerned that they might be damaged in the process. Does anyone know what they'll do to them? Why wouldn't they tell me in the first place?
Gunner
02-28-2016, 20:32
Because they don't modify them and just take them apart.....


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ray1970
02-28-2016, 20:44
The few I ended up with (not MPX) were "permanently modified" with some sort of epoxy resin bumper type thingy that they molded onto the floor plate retainer. Not sure how they'd do the MPX mags though. I've seen some CZ Scorpion mags that were modified by drilling a hole and inserting a crappy aluminum rivet to limit the follower travel.
Rooskibar03
02-28-2016, 20:46
I know there is a block available to limit rounds. I've also heard about them being riveted.

At 70 bucks a mag, screw you for ruining them.
izzy
02-28-2016, 20:56
I'm okay with a bumper but I really don't want them to put a rivet in there. For the $70 they should at least tell you what they're going to do.
kwando
02-28-2016, 21:00
It is river, they did that with my Evo mags when I bought my Evo from them
Great-Kazoo
02-28-2016, 21:36
I'm okay with a bumper but I really don't want them to put a rivet in there. For the $70 they should at least tell you what they're going to do.

Nothing personal against you
Unless they know you as a regular, or personally. Why would they ot any shop tell you what they do?


Another undercover media expose' how gun stores subvert state law.
izzy
02-28-2016, 21:46
Well for that matter, if I was just trying to "expose" them, why wouldn't I just spend the $70 to just find out what they're up to? I feel like it's totally reasonable to know, as the customer, what's happening before I make a purchase. If what the modification is might, in my opinion, alter the performance of or degrade the product I don't want to buy it.
cfortune
02-28-2016, 21:54
The few I ended up with (not MPX) were "permanently modified" with some sort of epoxy resin bumper type thingy that they molded onto the floor plate retainer. Not sure how they'd do the MPX mags though. I've seen some CZ Scorpion mags that were modified by drilling a hole and inserting a crappy aluminum rivet to limit the follower travel.


I've purchased a couple of AK's from them and this is how they modified the mags that came with them (the crappy rivet that is).

I've also heard them give that repeated answer to customers.
WETWRKS
02-29-2016, 00:50
Mine came from them with a rivet.
izzy
02-29-2016, 10:30
Mine came from them with a rivet.

Where did they put it? Could you possibly post a picture of it?
bside303
02-29-2016, 10:56
It is river, they did that with my Evo mags when I bought my Evo from them

a river runs thru it. He means a rivet. Machine Gun Tours just takes them apart and charges more.
izzy
02-29-2016, 11:08
Did that stupid law get repealed yet?
izzy
02-29-2016, 11:26
None of this matters to me any more, just picked up a pair of factory 10 round mags from gunbroker.
Rooskibar03
02-29-2016, 21:10
None of this matters to me any more, just picked up a pair of factory 10 round mags from gunbroker.

Now that's settled. File a Form 1 and slap a can on it and go shoot. These things are a blast.

http://i1382.photobucket.com/albums/ah253/Rooskibar03/996F7953-47A9-42CB-B21A-89D88EC6CD88_zpsbca0wf1l.jpg
WETWRKS
03-01-2016, 01:47
Where did they put it? Could you possibly post a picture of it?

No photo possible. It was on the back side of the mag not quite half way down.
izzy
03-01-2016, 15:30
Now that's settled. File a Form 1 and slap a can on it and go shoot. These things are a blast.

http://i1382.photobucket.com/albums/ah253/Rooskibar03/996F7953-47A9-42CB-B21A-89D88EC6CD88_zpsbca0wf1l.jpg

I've had the SBR tax stamp on the MPX for quite a while now. I really love shooting this rifle. I also have a can on it too. Mine isn't the gen two like yours though.
drew890
03-01-2016, 17:56
I've had the SBR tax stamp on the MPX for quite a while now. I really love shooting this rifle. I also have a can on it too. Mine isn't the gen two like yours though.
I apologize for the thread drift, but how is shooting your gen 1 with the can? Is the gas excessive?
Thanks for any insight.
izzy
03-01-2016, 22:33
I don't get any blowback at all when shooting it with the can. Using a Ti-rant 45 on it. I've used it on several pistols and with my MP5 and I've never had blowback. Guessing that's what you're asking about when you mention excessive gas.
cfortune
03-04-2016, 19:47
Psssst. He's lying. He's just mad he didn't SBR a Scorpion instead.



I'm kidding of course. I've shot his rifle with the can plenty and didn't find it to be a problem.
kidicarus13
03-04-2016, 20:13
A SBR'ed MPX with a can shooting 10rd magazines? Ugh
ray1970
03-04-2016, 20:30
A SBR'ed MPX with a can shooting 10rd magazines? Ugh

At least he'll get plenty of practice reloading.
cysoto
03-05-2016, 11:44
Machine Gun Tours...charges more.
Negative. They sell them for $69ea or three for $180. And yes, they take them apart and sell them as "parts kits."